Table 2.

Mean performance scores (adjusted for the level of difficulty) for each cognitive module exercises and social interaction conditions.

	N-PSI	PSI	SE	p	95% CI
Arc Standard	58.02**	65.41**	2.85	0.01**	−12.97	−1.81
Arc Advanced	35.82	36.47	1.81	0.72	−4.21	2.90
Zac Short	66.39	61.92	2.46	0.17	−0.35	9.30
Zac Long	76.53	73.39	2.78	0.26	−2.32	8.58
Zac Advanced	93.48	94.04	1.66	0.74	−3.81	2.69
T.E. Standard	72.05	69.70	3.16	0.46	−3.84	8.54
T.E. Advanced	68.90	71.29	2.98	0.42	−8.23	3.45

PSI = peer social interaction, N-PSI = no-peer social interaction, SE = standard error, p = p-value, CI = confidence interval.

^**p < 0.05 Bonferroni corrected.